Diy Hf vertical

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nordhavn
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Diy Hf vertical

Post by nordhavn » 02 Jan 2018, 17:39

I'd like to have a go at making an hf vertical . From my understanding a simple one would be to use a 1/2 wave Silver rod with the loading coil removed and a 9:1 balun at the base . Would a better quality antenna such as a sirio 827 make much of a difference ?
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ch25
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Re: Diy Hf vertical

Post by ch25 » 02 Jan 2018, 17:55

nordhavn wrote:
02 Jan 2018, 17:39
I'd like to have a go at making an hf vertical .
What bands it suppouse to work?
nordhavn wrote:
02 Jan 2018, 17:39
From my understanding a simple one would be to use a 1/2 wave Silver rod with the loading coil removed and a 9:1 balun at the base .
No. You have no idea about feedpoint impedance, so no one knows what (if) balun you need.
nordhavn wrote:
02 Jan 2018, 17:39
Would a better quality antenna such as a sirio 827 make much of a difference ?
No.
Btw do not forget radials. At least 2 1/4 wave for each band.

Maybe that is an antenna you think about? http://www.g8jnj.net/cometcha250b.htm

That is something worth building: http://www.tc2m.info/
Chris

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stanogs68
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Re: Diy Hf vertical

Post by stanogs68 » 02 Jan 2018, 18:29

ch25 wrote:
02 Jan 2018, 17:55
nordhavn wrote:
02 Jan 2018, 17:39
I'd like to have a go at making an hf vertical .
What bands it suppouse to work?
nordhavn wrote:
02 Jan 2018, 17:39
From my understanding a simple one would be to use a 1/2 wave Silver rod with the loading coil removed and a 9:1 balun at the base .
No. You have no idea about feedpoint impedance, so no one knows what (if) balun you need.
nordhavn wrote:
02 Jan 2018, 17:39
Would a better quality antenna such as a sirio 827 make much of a difference ?
No.
Btw do not forget radials. At least 2 1/4 wave for each band.

Maybe that is an antenna you think about? http://www.g8jnj.net/cometcha250b.htm

That is something worth building: http://www.tc2m.info/
Chris
wko transmits on hf broadband ?
computers mess with my brain !

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